1. Emerita, Hellenic Ministry of Culture, Volos, Greece
2. Science and Technology in Archaeology Research Center, The Cyprus Institute, Nicosia, Cyprus
3. Department of Mineralogy, Petrology, Economic Geology, Faculty of Geology, Aristotle University of Thessaloniki, Thessaloniki, Greece
4. Research Science Laboratories Technician, UCL Qatar, Hamad bin Khalifa University, Doha, Qatar